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\name{RFsp-class}
\docType{class}
\alias{RFsp-class}
\alias{RFspatialDataFrame}
\alias{RFdataFrame}
%% S4 methods
\alias{summary,RFsp-method}
\alias{variance,RFsp-method}
\alias{dimensions,RFsp-method}
\alias{dimensions,RFdataFrame-method}
\alias{dimensions,RFspatialDataFrame-method}
%\alias{isGridded}
%\alias{isGridded,RFsp-method}
\alias{RFspDataFrame2conventional}
\alias{RFspDataFrame2conventional,RFsp-method}
\alias{RFspDataFrame2dataArray}
\alias{RFspDataFrame2dataArray,RFsp-method}
\alias{[,RFsp-method}
\alias{[,RFsp,ANY,ANY-method}
\alias{[,RFsp,ANY,ANY,ANY-method}
\alias{[<-,RFsp-method}
\alias{[<-,RFsp,ANY,ANY-method}
\alias{[<-,RFsp,ANY,ANY,ANY-method}
\alias{RFspatialDataFrame-class}
\alias{RFspatialDataFrame}
\alias{RFdataFrame-class}
\alias{RFdataFrame}
\title{Class \code{RFsp}}
\description{ \code{"RFsp"} is a virtual class which contains the four classes
\command{\link[=RFspatialGridDataFrame-class]{RFspatialGridDataFrame}}
(data on a full grid and \eqn{space-time-dimension \ge
2}{space-time-dimension > 2}),
\command{\link[=RFspatialPointsDataFrame-class]{RFspatialPointsDataFrame}}
(data not on a grid and \eqn{space-time-dimension \ge
2}{space-time-dimension > 2}),
\command{\link[=RFgridDataFrame-class]{RFgridDataFrame}}
(data on a full grid and \eqn{space-time-dimension = 1}),
\command{\link[=RFpointsDataFrame-class]{RFpointsDataFrame}}
(data not on a grid and \eqn{space-time-dimension = 1})
The first two subclasses are summarized in
\code{"RFspatialDataFrame"} whilst the latter two are
summarized in \code{"RFdataFrame"}.
% The first two classes are summarized in the class
% \code{RFspatialDataFrame} the last two classes in the class
%\code{ RFdataFrame}.
}
\section{Objects from the Class}{
are never to be generated; only derived classes can be meaningful. }
%\section{Slots}{
% \describe{
% only for sub-classes
% \command{\link[=RFspatialGridDataFrame-class]{RFspatialGridDataFram%e}}
% and \command{\link[=RFspatialPointsDataFrame-class]{RFspatialPoints%DataFrame}}:
% \item{\code{bbox}:}{Object of class \code{"matrix"}; 2-column matrix
% holding the minimum in first and maximum in second column for the
% x-coordinate (first row), y-coordinate (second row) and optionally,
% for points and grids only, further coordinates. The constructed
% Spatial object will be invalid if any bbox values are NA or
% infinite. The column names must be \code{c("min", "max")}}
% \item{\code{proj4string}:}{Object of class \code{"CRS"};
% holding a valid proj4 string, which can be used for unprojecting
% or reprojecting coordinates; it is initialised to NA. Other strings
% are checked for validity in the rgdal package, but attempts to
% assign a string containing \dQuote{longlat} to data extending beyond
% longitude [-180, 360] or lattitude [-90, 90] will be stopped. }
% }
%}
\section{Methods}{
\describe{
% \item{bbox}{\code{signature(obj = "Spatial")}: retrieves the bbox element }
\item{summary}{\code{signature(obj = "RFsp")}: returns a summary of the
object; uses or imitates summary method of class
\code{\link[sp:Spatial-class]{Spatial}} from the \pkg{sp}-package}
\item{dimensions}{\code{signature(obj = "RFsp")}: retrieves the number
of spatial or spatio-temporal dimensions spanned }
%\item{isGridded}{\code{signature(obj = "RFsp")}: logical, tells whether
% the data is on a regular spatial grid }
\item{RFspDataFrame2dataArray}{\code{signature(obj = "RFsp")}:
transforms \code{RFsp} objects to array
}
\item{RFspDataFrame2conventional}{\code{signature(obj = "RFsp")}:
transforms \code{RFsp} objects to a list with additional information
}
\item{[}{\code{signature(obj = "RFsp")}: selects columns of the
\code{data}-slot, while all other slots are kept unmodified}
\item{[<-}{\code{signature(obj = "RFsp")}: replaces columns of the
\code{data}-slot, while all other slots are kept unmodified}
% \item{plot}{\code{signature(x = "Spatial", y = "missing")}: plot method
% for spatial objects; does nothing but setting up a plotting region choosing
% a suitable aspect if not given(see below), colouring the plot background using either a bg= argument or par("bg"), and possibly drawing axes. }
\item{variance}{\code{signature(object = "RFsp")}: returns the kriging
variance if available}
}
}
%\usage{
%Spatial(bbox, proj4string = CRS(as.character(NA)))
%}
%\arguments{
%\item{bbox}{a bounding box matrix}
%\item{proj4string}{a CRS object}
%}
\author{Alexander Malinowski; \martin}
\section{Warning }{This class is not useful itself, but the above
mentioned classes in this package derived from it. }
\seealso{
\command{\link[=RFspatialGridDataFrame-class]{RFspatialGridDataFrame}},
\command{\link[=RFspatialPointsDataFrame-class]{RFspatialPointsDataFrame}},
\command{\link[=RFgridDataFrame-class]{RFgridDataFrame}},
\command{\link[=RFpointsDataFrame-class]{RFpointsDataFrame}},
\command{\link{sp2RF}}
}
\examples{\dontshow{StartExample()}
RFoptions(seed=0) ## *ANY* simulation will have the random seed 0; set
## RFoptions(seed=NA) to make them all random again
## Generating an object of class "RFspatialGridDataFrame"
## and one of class "RFspatialPointsDataFrame".
model <- RMcauchy(gamma=4, var=0.1, scale=2)
x <- seq(0,10,len=100)
r <- cbind(runif(100, min=1, max=9),runif(100, min=1, max=9))
z1 <- RFsimulate(model=model, x=x, y=x, n=4)
z2 <- RFsimulate(model=model, x=r, n=2)
## Applying available functions.
class(z1)
class(z2)
summary(z1)
summary(z2)
plot(z1)
plot(z2)
%isGridded(z1) ## TRUE
%isGridded(z2) ## FALSE
z4 <- RFspDataFrame2conventional(z2)
str(z2)
str(z4)
dta <- data.frame(coords=z4$x,data=z2@data[,1])
z3<-RFinterpolate(model=model, x=x, y=x, data=dta)
plot(z3,z2)
## Illustrating the warning.
a1 <- new("RFpointsDataFrame")
str(a1)
try(a2 <- new("RFsp")) ## ERROR
\dontshow{FinalizeExample()}}
\keyword{classes}
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